wrote in message
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I have a few electric motors in commercial dryers with warn keyways on
the shaft end that holds the fan any suggestions on how to repair.
Keyways are 1/8 in. Thanks Martin

You have several good ideas for repair. You also need to install a setscrew
over the key or otherwise tighten up the fit so there is absolutely no
movement between the shaft and hub. Multiple setscrews or roll pins might be
considered. Otherwise the same thing will likely happen again.

Don Young